A5102952183- Electrocatalysts for Energy Conversion
- Advanced battery technologies research
- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Supercapacitor Materials and Fabrication
- Advanced Photocatalysis Techniques
- Catalytic Processes in Materials Science
- Advanced Chemical Sensor Technologies
- Nanomaterials for catalytic reactions
- Advanced Battery Technologies Research
- Gas Sensing Nanomaterials and Sensors
- Analytical Chemistry and Sensors
- Material Properties and Applications
- Complex Network Analysis Techniques
- Semiconductor materials and devices
- Membrane Separation and Gas Transport
- Copper-based nanomaterials and applications
- Natural Fiber Reinforced Composites
- Advanced Machining and Optimization Techniques
- Robot Manipulation and Learning
- Membrane-based Ion Separation Techniques
- Spectroscopy and Chemometric Analyses
- Catalysis for Biomass Conversion
- Advanced Surface Polishing Techniques
- Advanced machining processes and optimization
Anhui Agricultural University
2024-2025
Ministry of Agriculture and Rural Affairs
2024-2025
Nanjing University
2022-2024
Collaborative Innovation Center of Advanced Microstructures
2022-2024
City University of Hong Kong, Shenzhen Research Institute
2023-2024
Zhengzhou University
2022-2023
University of Electronic Science and Technology of China
2017-2022
Chengdu University
2021
Indian Institute of Management Visakhapatnam
2019-2021
Pondicherry University
2019
Designing economical and high-efficiency electrocatalysts for overall water splitting is urgently needed but remains a long arduous task. Herein, we synthesized hydrotalcite-like Ni(OH)2 nanosheets growing on Ni foam (Ni(OH)2/NF) via facile one-pot hydrothermal method. With the assistance of rotating oven, demonstrate regular hexagonal morphology homogeneous distribution. The resultant Ni(OH)2/NF electrode shows superior electrocatalytic activity durability hydrogen evolution reaction (HER)...
As an alternative for depleting fossil fuel energy, hydrogen economy desires low-cost and efficient production from water splitting. In order to explore a cheap, abundant, active, durable catalyst the electrocatalytic evolution reaction (HER), two-dimensional (2D) ceria nanosheets are produced through thermal decomposition exfoliation method CeCO3OH with layer-stacked structure. The additional cobalt dopant promotes formation of oxygen vacancies in and, turn, optimizes binding/water...
Considerable works have been devoted on developing high-efficiency nonplatinum electrocatalysts for hydrogen evolution reaction (HER). Herein, 3D heteromorphic NiCo2S4/Ni3S2 nanosheets network has constructed Ni foam (denoted as NiCo2S4/Ni3S2/NF) serving a self-standing electrocatalyst through directly thermal sulfurization of single-source NiCo-layered double hydroxide precursor. The resultant NiCo2S4/Ni3S2/NF electrode exhibits outstanding electrocatalytic HER performance with an extremely...
High-performance rechargeable Zn–air batteries with long-life stability are highly desirable for the power application in electric vehicles and portable electronics their great balance capacity safety. The key component of is bifunctional oxygen electrocatalyst that requires high intrinsic reversibility durability. Spinel Co3O4 emerges as a promising nonprecious-metal catalyst catalysis but limited by inefficient catalytic performance an undesirable eg0 configuration Co3+ ions at octahedral...
Li-O2 battery (LOB) is a promising "beyond Li-ion" technology with ultrahigh theoretical energy density (3457 Wh kg-1 ), while currently impeded by the sluggish cathodic kinetics of reversible gas-solid reaction between O2 and Li2 . Despite many catalysts are developed for accelerating conversion process, lack design guidance achieving high performance makes exploring aleatory. The Sabatier principle an acknowledged theory connecting scaling relationship heterogeneous catalytic activity,...
Abstract The growing environmental pollution issues and continuous energy dilemma call for high‐performance storage systems (ESSs). While the inevitable safety concerns appear restrict application of lithium‐ion batteries in large‐scale ESSs. Contrastively, zinc ion (ZIBs) attract increasing attention due to inherent advantages high safety, low cost, friendliness. However, poor stability reversibility Zn anodes bring severe difficulty its practical application. Considerable efforts are...
Layered oxides are widely accepted to be promising cathode candidate materials for K-ion batteries (KIBs) in terms of their rich raw and low price, while further applications restricted by sluggish kinetics poor structural stability. Here, the high-entropy design concept is introduced into layered KIB cathodes address above issues, an example K0.45Mn0.60Ni0.075Fe0.075Co0.075Ti0.10Cu0.05Mg0.025O2 (HE-KMO) successfully prepared. Benefiting from oxide with multielement doping, developed HE-KMO...
This review provides in-depth insights into the basics and main issues of both partial exclusive Mn 2+ /MnO 2 chemistry highlights optimizing strategies for this cathode reaction corresponding full battery.
The utilization of anionic redox chemistry provides an opportunity to further improve the energy density Li-ion batteries, particularly for Li-rich layered oxides. However, oxygen-based hosts still suffer from unfavorable structural rearrangement, including oxygen release and transition metal (TM)-ion migration, in association with tenuous framework rooted ionicity TM–O bonding. An intrinsic solution, by using a sulfur-based host strong TM–S covalency, is proposed here buffer lattice...
Abstract All‐solid‐state lithium batteries (ASSBs) have received increasing attentions as one promising candidate for the next‐generation energy storage devices. Among various solid electrolytes, sulfide‐based ASSBs combined with layered oxide cathodes emerged due to high density and safety performance, even at high‐voltage conditions. However, interface compatibility issues remain be solved between cathode sulfide electrolyte. To circumvent this issue, we propose a simple but effective...
Transition metal single-atom catalysts (SACs) have been regarded as possible alternatives to platinum-based materials due their satisfactory performance of the oxygen reduction reaction (ORR). By contrast, main-group elements are rarely studied unfavorable surface and electronic states. Herein, a Sn-based SAC with penta-coordinated asymmetric first-shell ligands is reported an efficient robust ORR catalyst. The introduction vertical atom breaks symmetric charge balance, modulating binding...
Scheme of the synthesis procedures Ni<sub>3</sub>ZnC<sub>0.7</sub>.
The decomposition of water into hydrogen and oxygen is an effective method to generate new energy. How develop highly efficient catalysts with low cost for the hydrolysis a huge challenge. Herein, heterogeneous CDs/NiCo2S4/Ni3S2 nanorods were constructed on nickel foam (CDs/NiCo2S4/Ni3S2/NF) by Co ion exchange carbon dots (CDs) sulfur codoped (NF). designed CDs/NiCo2S4/Ni3S2/NF as self-standing electrocatalyst shows excellent electrocatalytic properties. In evolution reaction process,...
CoOOH nanosheets synthesized by an <italic>in situ</italic> electrochemical anion-oxidation strategy were used as anodic catalysts in a hybrid water electrolyzer.
Hydrogen economy is one of the most promising candidates to replace current energy system on depleting fossil fuels. As a clean and sustainable way produce hydrogen, electrocatalytic water splitting attracts ever-increasing interest from research community. Although wide application platinum group metal (PGM) catalysts limited because scarcity high cost toward hydrogen evolution reaction (HER), non-PGM electrocatalysts usually suffer unsatisfactory activity poor durability. In this work, we...
All-solid-state batteries (ASSBs) represent a promising battery strategy to achieve high energy density with great safety. However, inadequate kinetic property and poor interfacial compatibility remain challenges, which impede their practical application. A prototype of dual-ion conductor Li+ synchronized Cu+ unlocks four-electron redox reaction reversibility fast kinetics. As result, the constructed ASSB exhibited reversible capacity 603.0 mA·hour g-1 an excellent cycling retention 93.2%...
Timely and accurate detection of H2S is crucial for preventing serious health issues in both humans livestock upon exposure. However, metal-oxide-based sensors often suffer from mediocre sensitivity, poor selectivity, or long response/recovery time. Here, an atomic Ru species-driven SnO2-based sensor fabricated to realize highly sensitive selective at the parts per billion level as low 100 ppb. The shows a high sensing response (Rair/Rgas = 310.1) ultrafast time (less than 1 s) 20 ppm...
Exploring highly efficient, stable, and cost-effective bifunctional electrocatalysts is crucial for the wide commercialization of rechargeable Zn-air batteries. Herein, a vanadium-oxide-based hybrid air electrode comprising heterostructure V2 O3 MnS (V2 /MnS) reported. The /MnS catalyst shows decent catalytic activity that comparable to Pt/C toward oxygen reduction reaction acceptable evolution. extraordinary stability as well low cost set among best electrocatalysts. In demonstration an...
Abstract All‐solid‐state lithium batteries (ASSBs) have received increasing attentions as one promising candidate for the next‐generation energy storage devices. Among various solid electrolytes, sulfide‐based ASSBs combined with layered oxide cathodes emerged due to high density and safety performance, even at high‐voltage conditions. However, interface compatibility issues remain be solved between cathode sulfide electrolyte. To circumvent this issue, we propose a simple but effective...